18488972 is an even 8-digits composite number following 18488971
and preceding 18488973 . In scientific notation, it is written as 1.8488972 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 9176736 positive integers (up to 18488972) that are relatively prime to 18488972.
18488972 has 12 divisors, whose sum is 32592840
The reverse of 18488972 is 27988481
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighteen million four hundred eighty-eight thousand nine hundred seventy-two
Scientific notation
1.8488972 × 10^7
Engineering notation
1.8488972 × 10^6
Prime Factorization
2 × 2 × 137 × 33739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9244486
Product of the distinct prime numbers
The prime factorization of 18488972 is 2 × 2 × 137 × 33739.
Since it has a total of 4 prime factors.
1 , 7 , 2 , 57 , 207 , 450 , 4259 , 8929 , 52324 , 23748 , 895501 , 606104 , 8662058 , 3627530 , 49233683 , 14913049 , 754480159 , 775766060 , 5074561673 , 8753055529
n×2
36977944
n×3
55466916
n×4
73955888
n×5
92444860
n÷2
9244486
n÷3
6162990.6666667
n÷3
4622243
n÷5
3697794.4
n2
341842085616784
n3
6.3203087493903E+21
n4
1.1685601149883E+29
n5
2.1605475246336E+36
2 √n
4299.8804634548
3 √n
264.42606057158
4 √n
65.573473779073
5 √n
28.404199411539
1 , 2 , 4 , 137 , 274 , 548 , 33739 , 67478 , 134956 , 4622243 , 9244486 , 18488972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18488971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18488972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18488972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110100001111010001100
3
Ternary
1021210100002202
4
Quaternary
1012201322030
5
Quinary
14213121342
6
Senary
1500141032
8
Octal
106417214
10
Decimal
18488972
12
Duodecimal
6237778
16
Hexadecimal
11a1e8c
20
Vigesimal
5fb28c
36
Base36
b0a6k
md5
a80ee07d6b1f6e6007f0fa38c36e898e
sha1
4b3143b72694984effa8fcb8205f58946fd11308
sha256
a219515464a859ea7850b908748098b07f597b6926e884ed4fb5ca16026e1ecd
sha512
854b6d4fbd2b772dc10169089cc8256c36def5a322c7bebc69eba0d64785e6d7356ac678f18f34512c7b5a3400e15055d8483860af82c03a80eb42dd4c65dcb3
ripemd-160
05d31bef80d4825ac1a408298e93601971f61a3c
Diameter
36977944
Circumference
116169637.21525
Area
1.0739285848615E+15
Volume
2.6474447380672E+22
Surface area
4.295714339446E+15
Circumference
116169637.21525
Perimeter
73955888
Area
341842085616784
Diagonal
26147354.956736
Surface area
2051052513700704
Volume
6.3203087493903E+21
Space diagonal
32023838.883718
Perimeter
55466916
Area
1.480219651134E+14
Altitude
16011919.441859
Surface area
1.480219651134E+14
Volume
7.4485552931443E+20
Height
8715784.9855788